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7-1: Intro to Right Triangles

Total questions: 15

Worksheet time: 4hrs 45mins

Name
Class
Date
1.

In ΔHXP, name the hypotenuse and the right angle.

a)

Hypotenuse: HX Right Angle: <XHP

b)

Hypotenuse: XP Right Angle: <PHX

c)

Hypotenuse: HP Right Angle: <HPX

d)

Hypotenuse: PX Right Angle: <PXH

2.

Given ΔMIN, identify the two legs and the hypotenuse:

a)

Hypotenuse: MI; Legs: IN and NM

b)

Hypotenuse: NM; Legs: NI and MN

c)

Hypotenuse: IN; Legs: IM and MN

d)

Hypotenuse: MN; Legs: NI and MI

3.

Determine the measure of the missing angle in ΔCAS

a)

Θ = 70⁰

b)

Θ = 90⁰

c)

Θ = 20⁰

d)

Θ = 180⁰

4.

Given ΔADL, determine the measure of the missing angle.

a)

m <ADL = 165⁰

b)

m < DAL = 75⁰

c)

m <ADL = 75⁰

d)

m < DLA = 165⁰

5.

Given that < NOP is a right angle and m<NPO = 23⁰, determine m<ONP.

a)

m<ONP = 27⁰

b)

m<ONP = 67⁰

c)

m<ONP = 77⁰

d)

m<ONP = 157⁰

6.

Name the Right Angle

and the two Acute Angles.

a)

Right Angle = <NED; Acute Angles = <EDN and <DEN

b)

Right Angle = <EDN; Acute Angles = <NDE and <DNE

c)

Right Angle = <END; Acute Angles = <EDN and <NED

d)

Right Angle = <DEN; Acute Angles = <EDN and <END

7.

Given ΔOPR, identify the right angle and the two acute angles.

a)

Right Angle = <P; Acute Angles = <R and <O

b)

Right Angle = <O; Acute Angles = <P and <R

c)

Right Angle = <O; Acute Angles = <R and <O

d)

Right Angle = <R; Acute Angles = <P and <O

8.

In the triangle above, name the leg that is opposite <X.

a)

HX

b)

XP

c)

HP

d)

XH

9.

In the triangle above, what is the measure of the missing angle

a)

θ=19°\theta=19\degree

b)

θ=71°\theta=71\degree

c)

θ=81°\theta=81\degree

d)

θ=161°\theta=161\degree

10.

What is the measure of <N?

a)

30⁰

b)

60⁰

c)

90⁰

d)

180⁰

11.

In ΔNOT, identify the acute angles:

a)

<N and <T

b)

<O and <T

c)

<T and <O

d)

<N and <O

12.

In ΔARK, name the right angle:

a)

<K

b)

<R

c)

<A

d)

<KRA

13.

In the triangle above, name the leg that is opposite <P.

a)

HX

b)

XP

c)

HP

d)

HH

14.

In the triangle above, name the side that is opposite <H.

a)

HX

b)

XP

c)

HP

d)

XH

15.

In a right triangle, the two acute angles always add up to what?

a)

180°180\degree

b)

45°45\degree

c)

90°90\degree

d)

It depends